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Browse Cell Image ?? HOW??

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  • #16
    Re: Browse Cell Image ?? HOW??

    Too many calculated fields will make a form/browse too slow - and the limit is way below what you are looking at.

    You may need to pre-process the rows and columns and then display. But you've not given enough information to really allow us to help you.
    Al Buchholz
    Bookwood Systems, LTD
    Weekly QReportBuilder Webinars Thursday 1 pm CST

    Occam's Razor - KISS
    Normalize till it hurts - De-normalize till it works.
    Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
    When we triage a problem it is much easier to read sample systems than to read a mind.
    "Make it as simple as possible, but not simpler."
    Albert Einstein

    http://www.iadn.com/images/media/iadn_member.png

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    • #17
      Re: Browse Cell Image ?? HOW??

      I am not sure what I did not supply in terms of information Al.
      What I am trying to do is construct a map of 1.000*1.000 cells.
      To do that, I figured, best way to do in Alpha would be to use a browse (because you can slide through a browse and do not need to have all cells on screen at one time).
      So, the browse would need to have 1.000 columns, and it would need to have 1.000 records. So far so good, not to difficult to create that with xbasic.

      Now, let us assume for a moment that each cell in the browse is a village. There are small villages and big ones. A small village is green, a big one red (or something similar).

      Whether a village is small or big is determined by a code that is in the cell. That is a 3 digit numeric code. Like 999.
      So, if a cell contains the value 999, the background of the cell should be green. Or the cell should show a certain image that delivers the difference like a green ball or similar.

      So, I tried to use the "edit display format" of the embedded browse (the matrix of 1.000*1.000 cells) to make that happen: display format is conditional -> an expression is evaluated to determine which display format is used for each row in the browse. In case value = 999, show image x. Or make background of the cell "green" or whatever.

      Point is, that in order to do this, you need to go along all columns of the browse by hand, and programm this, with for each column a different expression because it needs the fieldname (= column heading) in the expression.

      What I am looking for is a smart way to avoid me walking through 1.000 columns by hand and probably ending up with a corrupt browse at the end :-)

      I am not sure what more information you guys would need to have, just ask me if you are missing something?

      The map is not of any existing world. It is a virtual world. So there is no existing map. The codes on the map (999 etc) are necessary because they constantly will change, and every time the form opens, the matrix (embedded browse) will need to show the current situation. I could leave it at the browse showing "999" but that is not "easy on the eye" for the user. He will not be able to see the different values in all that numeric humbo jumbo. So that is why I thought to use colors instead.

      I have also thought about using ASCII characters instead. It is not as nice as colors, but if nothing else works, that could also maybe do it. Would that be a possibility?

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      • #18
        Re: Browse Cell Image ?? HOW??

        You could have every "cell" change color based on expression and you could do that with xbasic, but I am at loss as to where and what is the map? virtual or otherwise? and not sure what do you mean by "virtual"? I did ask you if you meant a "Matrix" rather than a "Map", but I got no answer.

        I must admit, I am not getting the big picture here and, as such, can't be of any help. Sorry.

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        • #19
          Re: Browse Cell Image ?? HOW??

          M,
          You will be disappointed in how long it will take to process even say a browse of 10 fields by 50 rows worth of data with any calculations including ones for color. I did this in a project and as it took about 2 seconds to scroll between EACH row, I ended up making the calculations "on demand only" via a couple of methods.

          I know what you want can be done via xbasic as it can be done manually and the objects you have mentioned all can be "seen" , created, or manipulated with xbasic.....but I, for one, would not want to spend the amount of time explaining or showing you how when the end result would most likely not be something even remotely usable!!! But maybe I have misread also what is wanted or intended.

          My take is that you want to:
          Create fields and row data dynamically with xbasic and be able to change any "cell" of the browse based on the data within via calculations.....all without user intervention.....AND to have this done on the fly in real time or without a big time delay. My contention is that if what I stated above is true then I do not have a clue as to have this done in a browse at an acceptable speed--truly interested if there is a way!!

          If you made exactly what you intended as a use for this, someone may be able to either steer you in a new, faster direction or.....
          Mike
          __________________________________________
          It is only when we forget all our learning that we begin to know.
          It's not what you look at that matters, it's what you see.
          Henry David Thoreau
          __________________________________________



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